Reset launcher storage before updating it

src/anbox/application/launcher_storage.cpp

@@ -33,6 +33,14 @@ LauncherStorage::LauncherStorage(const fs::path &path,
 
 LauncherStorage::~LauncherStorage() {}
 
+void LauncherStorage::reset() {
+  if (fs::exists(path_))
+    fs::remove_all(path_);
+
+  if (fs::exists(icon_path_))
+    fs::remove_all(icon_path_);
+}
+
 void LauncherStorage::add(const Item &item) {
   if (!fs::exists(path_)) fs::create_directories(path_);
   if (!fs::exists(icon_path_)) fs::create_directories(icon_path_);

src/anbox/application/launcher_storage.h

@@ -40,6 +40,7 @@ class LauncherStorage {
     std::vector<char> icon;
   };
 
+  void reset();
   void add(const Item &item);
 
  private:

src/anbox/bridge/platform_api_skeleton.cpp

@@ -99,6 +99,11 @@ void PlatformApiSkeleton::handle_window_state_update_event(
 
 void PlatformApiSkeleton::handle_application_list_update_event(
     const anbox::protobuf::bridge::ApplicationListUpdateEvent &event) {
+  // Remove all existing items to start from scratch for all
+  // applications. We may need to improve this in the future
+  // to guarantee correct integration into desktop environments
+  launcher_storage_->reset();
+
   for (int n = 0; n < event.applications_size(); n++) {
     application::LauncherStorage::Item item;